The RNT Foundation is a public benefit scientific and educational charity, 501(c)3
Protect the Frequencies – By preventing interference
Toughen Receivers – With readily available technology
Augment Services – With difficult to disrupt terrestrial signals
What to do? Some recommendations.
eNewsletter Archives
From Our Blog
November 2025 geomagnetic superstorm 30 ft GPS errors (farming impacts) – Space Daily
Image: European Space Agency What's new: A report on the impact and potential impact of solar activity on GPS/GNSS in November 2025. The report also includes a short discussion on the possible impacts on farming if it happened at another time of year. Why it's...
No signal left behind: new ways to detect jamming and spoofing – ESA
Image: Shutterstock What's new: An item from the European Space Agency about GNSS interference monitoring that describes three "new" methods. Why it's important: Before you can properly solve or mitigate a problem you have to know it exists and sufficiently understand...
Mobster/Oligarch’s powerful GPS jammer in Sofia disrupted air traffic, TV – KALDATA & BTA
Image: Shutterstock (note: most oligarchs are uglier) What's new: Impacts from a GPS jammer in Sofia, Bulgaria included disrupted air traffic, disrupted airport ground traffic, and unspecified interference with television broadcasts. The jammer was being used by a...
Trust the Signal, Doubt the Position – RealClear Defense
Image: Shutterstock What's new: An intriguing article about authentication and confidence in navigation and timing solutions. Why its important: There are a lot of factors that go into safe, resilient use of PNT signals. If one is ignored or gotten wrong the result...
ADS-B interference mapping and GNSS – Inside GNSS
Image: GPSjam.org for 16 Aug 2026 What's new: An insightful article that discusses misconceptions about GNSS interference detection and maps. Why it's important: Not understanding these issues correctly can lead to bad political, strategic, tactical, and...
